Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuatoron Chevrolet Suburban 1500

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

RepairPal Verified
Average mileage : 212,500 (175,000–250,000)
4 Years Affected: 1992, 1993, 1994, 1995
6 people reported this problem
2 people shared problem details
The door controlling the air to the defrosters and the floor will not work. Heat comes out but will not go to the defrosters.
4 people like thisFlag inappropiate
cannot control hot/cold air mixture
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